.exam-session-selected .start-row{align-items:center}.exam-start-btn{font-weight:800}.exam-mode-active #profile-nav,.exam-mode-active #switch-profile{opacity:.55;pointer-events:none}.exam-shell,.exam-result{max-width:1220px;margin:28px auto;padding:28px;border-radius:30px;background:rgba(244,251,255,.96);box-shadow:0 22px 60px rgba(19,73,123,.18);color:#173551}.exam-topbar{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}.exam-heading h1{margin:.15rem 0 .35rem;font-size:clamp(1.7rem,3vw,2.5rem)}.exam-subtitle{margin:0;max-width:720px;color:#557089}.exam-meta{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}.exam-timer-box,.exam-answered-box{min-width:150px;padding:12px 16px;border-radius:18px;background:#fff;border:1px solid rgba(28,98,151,.14);display:grid;gap:3px;box-shadow:0 8px 24px rgba(23,76,118,.08)}.exam-timer-box strong{font-size:1.35rem;letter-spacing:.04em}.exam-timer-warning{color:#c94942}.exam-meta small{color:#72869a}.exam-progress{height:9px;background:#d9ebf5;border-radius:999px;overflow:hidden;margin:22px 0}.exam-progress span{display:block;height:100%;background:linear-gradient(90deg,#35c3c7,#f5d63d);border-radius:inherit}.exam-question-card{background:#fff;border-radius:24px;padding:28px;box-shadow:0 12px 34px rgba(27,86,128,.1)}.exam-question-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:18px}.exam-tags{display:flex;gap:8px}.exam-tags span{padding:6px 11px;border-radius:999px;background:#ecf7ff;color:#246689;font-weight:800;font-size:.78rem}.exam-question-number{font-weight:800;color:#668098}.exam-question-text{white-space:pre-line;font-size:1.28rem;line-height:1.58;font-weight:700;color:#173551;text-align:left}.exam-image-wrap{text-align:center;margin:20px 0}.exam-image-wrap img{max-width:min(100%,620px);max-height:420px;border-radius:18px}.exam-answer{margin-top:26px}.exam-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.exam-option{display:flex;align-items:center;gap:14px;width:100%;min-height:70px;padding:14px 16px;border:2px solid #d9e8f1;border-radius:18px;background:#fff;color:#24445c;text-align:left;font:inherit;font-weight:700;cursor:pointer;transition:.18s ease}.exam-option:hover{transform:translateY(-1px);border-color:#90c8e3}.exam-option.selected{border-color:#28b8c0;background:#eafafa;box-shadow:0 0 0 3px rgba(40,184,192,.12)}.exam-option-letter{display:grid;place-items:center;flex:0 0 36px;height:36px;border-radius:50%;background:#edf6fb;color:#2c6f8c;font-weight:900}.exam-option.selected .exam-option-letter{background:#28b8c0;color:#fff}.exam-option img{max-width:180px;max-height:130px;border-radius:12px}.exam-image-options .exam-option{align-items:flex-start}.exam-answer textarea{width:100%;min-height:110px;resize:vertical;border:2px solid #d9e8f1;border-radius:18px;padding:16px 18px;font:inherit;font-size:1.05rem;color:#173551;outline:none}.exam-answer textarea:focus{border-color:#28b8c0;box-shadow:0 0 0 3px rgba(40,184,192,.12)}.exam-nav{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-top:20px}.exam-save-state{color:#6d8395;font-weight:700;font-size:.9rem}.exam-nav-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.exam-nav button,.exam-home-btn{border:0;border-radius:14px;padding:12px 18px;font:inherit;font-weight:850;cursor:pointer}.exam-nav button:disabled{opacity:.45;cursor:not-allowed}.exam-secondary{background:#eaf4f9;color:#2b607b}.exam-primary{background:#2eb9c4;color:#fff}.exam-finish-btn,.exam-home-btn{background:linear-gradient(135deg,#ff9c57,#ff687e);color:#fff}.exam-result{text-align:center}.exam-result-emoji{font-size:3rem}.exam-result h1{margin:.25rem 0}.exam-result-score{display:flex;justify-content:center;align-items:baseline;gap:4px;margin:12px 0}.exam-result-score strong{font-size:4rem}.exam-result-score span{font-size:1.3rem;color:#71869a}.exam-result-stats{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin:16px 0}.exam-result-stats span{background:#fff;border:1px solid #dceaf2;border-radius:14px;padding:10px 14px;font-weight:800}.exam-result-note{color:#647b90}.exam-review{margin:28px auto 22px;max-width:920px;text-align:left}.exam-review h2{text-align:left}.exam-review-item{background:#fff;border:1px solid #dbe8f0;border-radius:16px;margin:10px 0;overflow:hidden}.exam-review-item summary{display:flex;justify-content:space-between;gap:12px;padding:14px 16px;cursor:pointer;font-weight:800}.exam-review-item.is-correct summary strong{color:#188f6d}.exam-review-item.is-wrong summary strong{color:#c34d4d}.exam-review-body{padding:0 16px 16px;color:#425c72}.exam-review-prompt{white-space:pre-line;font-weight:700;color:#223f57}.exam-review-explanation{background:#f3f9fc;border-radius:12px;padding:10px 12px}.exam-home-btn{margin-top:8px}@media(max-width:800px){.exam-shell,.exam-result{margin:12px;padding:18px;border-radius:22px}.exam-topbar{display:grid}.exam-meta{justify-content:flex-start}.exam-options{grid-template-columns:1fr}.exam-question-card{padding:20px}.exam-nav{align-items:flex-start;flex-direction:column}.exam-nav-actions{width:100%}.exam-nav-actions button{flex:1}.exam-question-text{font-size:1.08rem}}